Finding the Fourth Proportional to 242,315.94, 334,499.37 and 172,510.25

Step by Step Solution

1. Step 1: Write the proportion equation
   242,315.94 : 334,499.37 = 172,510.25 : x
2. Step 2: Convert to fraction form
   242,315.94/334,499.37 = 172,510.25/x
3. Step 3: Cross multiply
   242,315.94x = 334,499.37 × 172,510.25
4. Step 4: Simplify right side
   242,315.94x = 57,704,568,271.05
5. Step 5: Solve for x
   x = 57,704,568,271.05/242,315.94
6. Step 6: Final answer
   x = 238,137.73